[PATCH] D120942: [PowerPC] Add support for the canonical version of tlbie

[Bill Wendling via Phabricator via llvm-commits]

void updated this revision to Diff 412863.
void added a comment.

Add comment about POWER6 and tlbie with one operand.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D120942/new/

https://reviews.llvm.org/D120942

Files:
  llvm/lib/Target/PowerPC/PPCInstrInfo.td
  llvm/test/MC/PowerPC/ppc64-encoding-bookIII.s


Index: llvm/test/MC/PowerPC/ppc64-encoding-bookIII.s
===================================================================
--- llvm/test/MC/PowerPC/ppc64-encoding-bookIII.s
+++ llvm/test/MC/PowerPC/ppc64-encoding-bookIII.s
@@ -158,9 +158,17 @@
 # CHECK-LE: tlbsync                         # encoding: [0x6c,0x04,0x00,0x7c]
             tlbsync
 
-# CHECK-BE: tlbiel 4                        # encoding: [0x7c,0x00,0x22,0x24]
-# CHECK-LE: tlbiel 4                        # encoding: [0x24,0x22,0x00,0x7c]
-            tlbiel %r4
+# CHECK-BE: tlbiel 3                        # encoding: [0x7c,0x00,0x1a,0x24]
+# CHECK-LE: tlbiel 3                        # encoding: [0x24,0x1a,0x00,0x7c]
+            tlbiel %r3, 0, 0, 0, 0
+
+# CHECK-BE: tlbiel 3                        # encoding: [0x7c,0x00,0x1a,0x24]
+# CHECK-LE: tlbiel 3                        # encoding: [0x24,0x1a,0x00,0x7c]
+            tlbiel %r3
+
+# CHECK-BE: tlbiel 3, 4, 3, 1, 1            # encoding: [0x7c,0x8f,0x1a,0x24]
+# CHECK-LE: tlbiel 3, 4, 3, 1, 1            # encoding: [0x24,0x1a,0x8f,0x7c]
+            tlbiel %r3, %r4, 3, 1, 1
 
 # Note that the one-operand version of "tlbie" is accepted by POWER6, but seems
 # to be invalid for later POWER versions.
Index: llvm/lib/Target/PowerPC/PPCInstrInfo.td
===================================================================
--- llvm/lib/Target/PowerPC/PPCInstrInfo.td
+++ llvm/lib/Target/PowerPC/PPCInstrInfo.td
@@ -4615,8 +4615,9 @@
 def TLBSYNC : XForm_0<31, 566, (outs), (ins),
                         "tlbsync", IIC_SprTLBSYNC, []>;
 
-def TLBIEL : XForm_16b<31, 274, (outs), (ins gprc:$RB),
-                          "tlbiel $RB", IIC_SprTLBIEL, []>;
+def TLBIEL : XForm_tlbie<274, (outs),
+                         (ins gprc:$RS, gprc:$RB, i32imm:$RIC, i1imm:$PRS, i1imm:$R),
+                         "tlbiel $RB, $RS, $RIC, $PRS, $R", IIC_SprTLBIEL, []>;
 
 def TLBLD : XForm_16b<31, 978, (outs), (ins gprc:$RB),
                           "tlbld $RB", IIC_LdStLoad, []>, Requires<[IsPPC6xx]>;
@@ -4986,6 +4987,7 @@
 }
 
 def : InstAlias<"tlbie $RB, $RS", (TLBIE gprc:$RS, gprc:$RB, 0, 0, 0)>;
+def : InstAlias<"tlbiel $RB", (TLBIEL R0, gprc:$RB, 0, 0, 0)>;
 
 def : InstAlias<"tlbrehi $RS, $A", (TLBRE2 gprc:$RS, gprc:$A, 0)>,
                 Requires<[IsPPC4xx]>;


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